tang3x的专栏

The pen, brush, bitmap, palette, region, and path associated with a DC are referred to as its graphic objects. The following attributes are associated with each of these objects与DC相联系的画笔，笔刷，调色板，区域和路径被称为图形对象，以下属性与每个对象相关联。Graphic objectAssociated attribu

<br />Device independence is one of the chief features of Microsoft® Windows®. Applications can draw and print output on a variety of devices. The software that supports this device independence is contained in two dynamic-link libraries. The first,

<br />The HDC data type is defined as a 32-bit unsigned integer. The program may then use GDI functions, such as TextOut, that require the handle to the device context. A call to EndPaint releases the device context handle.<br /> <br />【HDC被定义为一个32位无符号

<br /><br />The PAINTSTRUCT structure contains information for an application. This information can be used to paint the client area of a window owned by that application.<br /> <br />【PAINTSTRUCT结构包含应用程序的某些信息，这些信息可被应用程序所包含的窗口用来绘制客户区。】<br /> <br />typedef

<br /><br />The rcPaint field of the PAINTSTRUCT structure is a structure of type RECT. As you learned in Chapter 3, the RECT structure defines a rectangle with four fields named left, top, right, and bottom. The rcPaint field in the PAINTSTRUCT structure

<br />Virtual C++ 6.0支持Unicode编程，但默认为ANSI，需要显示开启Unicode。<br /> <br />开启方式：打开菜单project，进入setting选项。在C/C++选项卡的Preprocessor definition中去掉_MBCS，添加_UNICODE和UNICODE标识符，注意要用逗号隔开。保存后就使得VC++ 6.0支持了Unicode。<br /> <br />在没有定义UNICODE和_UNICODE前，所有函数和类型都默认使用ANSI的版本；在定义了